2100201100111 has 4 divisors (see below), whose sum is σ = 2223742341312. Its totient is φ = 1976659858912.

The previous prime is 2100201100099. The next prime is 2100201100163. The reversal of 2100201100111 is 1110011020012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100201100111 - 2⁹ = 2100201099599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100201100181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61770620575 + ... + 61770620608.

It is an arithmetic number, because the mean of its divisors is an integer number (555935585328).

Almost surely, 2^{2100201100111} is an apocalyptic number.

2100201100111 is a deficient number, since it is larger than the sum of its proper divisors (123541241201).

2100201100111 is a wasteful number, since it uses less digits than its factorization.

2100201100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123541241200.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100201100111 its reverse (1110011020012), we get a palindrome (3210212120123).

It can be divided in two parts, 210020 and 1100111, that added together give a palindrome (1310131).

The spelling of 2100201100111 in words is "two trillion, one hundred billion, two hundred one million, one hundred thousand, one hundred eleven".